Techion Reflective Elastic Fabric Waist Belt Band with Buckle Clip and Ankle/Arm Bands (Pair) for Cycling/Biking/Walking/Jogging/Running Gear Vest and Outdoor Sports (Purple) Dual reflective strips design enhances visibility in weak light or nights. Durable Buckle Clip features easy fastening Adjustable 24-43" circumference for best waist fitness;Adjustable 9-12" for arm fitness; Comfortable to Wear and Highly Visible. Durable and Lightweight